Relation between load and effort in block and tackle pulley
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1
Answer:
If frictional losses are neglected, the mechanical advantage of a block and tackle is equal to the number of parts in the line that either attach to or run through the moving blocks—in other words, the number of supporting rope sections.
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2
Answer:
relation between E(effort) & L(load)
Explanation:
E=T
L= 4T ( tension in 4 strings support the load L)
M. A = 4/E - 4T/T = 4
M. A = L/E = nT/T
answer= n
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